(Common to EC/TC/EE/IT/BM/ML)
Sub Code: 10ES43
Hrs/ Week: 04
Total Hrs: 52
IA Marks : 25
Exam Hours : 03
Marks : 100
Modeling of Systems: Introduction to Control Systems, Types of Control Systems, Effect of
Feedback Systems, Differential equation of Physical Systems -Mechanical systems, Friction,
Translational systems (Mechanical accelerometer, systems excluded), Rotational systems, Gear
trains, Electrical systems, Analogous systems.
Block diagrams and signal flow graphs: Transfer functions, Block diagram algebra, Signal
Flow graphs (State variable formulation excluded),
Time Response of feedback control systems: Standard test signals, Unit step response of First
and second order systems, Time response specifications, Time response specifications of second
order systems, steady123– state errors and error constants. Introduction to PID Controllers
Stability analysis: Concepts of stability, Necessary conditions for Stability, Routh- stability
criterion, Relative stability analysis; more on the Routh stability criterion.
Root–Locus Techniques: Introduction, The root locus concepts,Construction of root loci 6 Hrs
Frequency domain analysis: Correlation between time and frequency response, Bode plots,
Experimental determination of transfer functions, Assessment of relative stability using Bode
Plots. Introduction to lead, lag and lead-lag compensating networks (excluding design).
Stability in the frequency domain: Introduction to Polar Plots, (Inverse Polar Plots excluded)
Mathematical preliminaries, Nyquist Stability criterion, Assessment of relative stability using
Nyquist criterion, (Systems with transportation lag excluded).
Introduction to State variable analysis: Concepts of state, state variable and state models for
electrical systems, Solution of state equations.